TO

Tatsumi Onaka

HZ Hitachi Zosen: 3 patents #73 of 531Top 15%
FK Fuji Kuuki Kabushiki Kaisha: 1 patents #3 of 11Top 30%
Overall (All Time): #1,677,269 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4570388 Apparatus for abrasive cleaning Hiroshi Tano, Masanobu Takahashi, Minoru Shiraishi, Yoshimi Numata, Norio Urata +1 more 1986-02-18
4532878 Apparatus for abrasive cleaning Minoru Shiraishi, Yoshimi Numata, Hiroshi Tano 1985-08-06
4187063 Air motor with discharge through gear chamber and silencer Dan Yoshida, Yasuhiro Horiuchi 1980-02-05